Orthogo

Construct a model with the given left and front projections. All the given pieces must be used. All solutions are unique. The model must not fall apart even if you turn it upside down. The entire model must fit above the 4x4 base plate.
The Orthogo game uses genuine LEGO® bricks. LEGO is a trademark of the LEGO group, which does sponsor, authorise or endorse the Orthogo game.